This document describes MessageWrap, a patented product that transforms grocery store checkout conveyor belts into dynamic advertising billboards. MessageWrap covers are installed in under two minutes without tools and display marketing messages to the captive audience at checkout. They provide retailers with a novel in-store advertising space. The document outlines MessageWrap's benefits for advertisers, including high traffic, time spent viewing, and impression quality. It also presents case study results and describes how the product works.